This example introduces the basic PROC REG graphics syntax used to produce a standard plot of data from the aerobic fitness data set (Example 55.1). A simple linear regression of Oxygen on RunTime is ...

Because many common DIF detection methods ignore potential DIF variance, this paper proposes the use of random coefficient hierarchical logistic regression (RC-HLR) models to test for both uniform DIF ...

METHODS We present a new model for estimating the NMR for countries worldwide, using a Bayesian hierarchical model framework. CONTRIBUTION Our modeling approach offers an intuitive way to share ...